Summer seedlings take measures according to the climate
In the hot summer season, the management of nursery stock should take corresponding measures in response to the climate characteristics.
Keep the soil moist. If the seedlings are affected by drought, they should promptly divert irrigation or artificial watering, to wet the seedbed, keep the soil moist, and reduce the soil temperature.
Choose a good soil, weeding timing. Do not loosen and weed at high temperatures and drought at noon. According to experiments, the loose soil at noon on a sunny day is about 8°C higher than the surface temperature without loose soil. Loose soil and weeding are best done in the cloudy morning, evening or after rain. Do not touch the roots of seedlings when loosening or weeding.
Diligent application, light application of fertilizer. Fertilizer can not be too high concentration, can not be applied too much at one time. In the morning and evening, water or light water and fertilizer must not be used to spread fertilizer between seedlings. Application of fertilizer can be done after loose soil and weeding.
Grass covered shade cooling. It is best to cover the surface of the seedlings with straw or thatch. The shade is about 10°C lower than the surface temperature without shading. Conditions should be shaded in order to facilitate the growth of seedlings.
Prevent pests and diseases. To dredge the ditch around the nursery to maintain cleanliness, the Bordeaux mixture can be sprayed for disinfection. To prevent and treat pests and diseases in a timely manner. If the diseases and insect pests that occur cannot be identified and eliminated, the local forestry departments must be promptly reported so that they can receive guidance and remove them in time.
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